"Cardinal Pole; Or, The Days of Philip and Mary: An Historical Romance" by William Harrison Ainsworth is a historical novel written in the late 19th century. The story centers around the political and personal intrigues during the reign of Queen Mary I of England and her marriage to Philip of Spain, exploring themes of power, religion, and national identity. Key characters include Mary, Philip, and Cardinal Pole, whose relationships and conflicts drive the narrative. At the start of the novel, the ambitious union between Queen Mary and Philip of Spain is proposed by Emperor Charles V, who sees it as a means to strengthen his influence in Europe. Various political tensions and opposition arise as the Queen contemplates her choice of marriage amidst her council's differing opinions. Cardinal Pole, a virtuous but exiled figure, is also thrust into the equation, representing Catholic interests in an England caught between conflicting religious identities. The opening chapters establish the complex atmosphere of the time, highlighting the characters' motivations and foreshadowing the turmoil surrounding the impending union. (This is an automatically generated summary.)